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authorMasahiro Yamada <yamada.masahiro@socionext.com>2018-12-11 20:01:00 +0900
committerMasahiro Yamada <yamada.masahiro@socionext.com>2018-12-22 00:25:52 +0900
commitce2164ab58316e27180034112f97608a764f5b37 (patch)
tree80f0ee899851907326026719a912e3a3d664b7dd /scripts/kconfig/zconf.y
parentkconfig: use distinct tokens for type and default properties (diff)
downloadlinux-dev-ce2164ab58316e27180034112f97608a764f5b37.tar.xz
linux-dev-ce2164ab58316e27180034112f97608a764f5b37.zip
kconfig: refactor scanning and parsing "option" properties
For the keywords "modules", "defconfig_list", and "allnoconfig_y", the lexer should pass specific tokens instead of generic T_WORD. This simplifies both the lexer and the parser. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'scripts/kconfig/zconf.y')
-rw-r--r--scripts/kconfig/zconf.y35
1 files changed, 15 insertions, 20 deletions
diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y
index 19fa333e9aa1..e482000bb93e 100644
--- a/scripts/kconfig/zconf.y
+++ b/scripts/kconfig/zconf.y
@@ -64,18 +64,21 @@ static struct menu *current_menu, *current_entry;
%token <id>T_IMPLY
%token <id>T_RANGE
%token <id>T_VISIBLE
-%token <id>T_OPTION
%token <id>T_ON
%token <string> T_WORD
%token <string> T_WORD_QUOTE
+%token T_ALLNOCONFIG_Y
%token T_BOOL
%token T_CLOSE_PAREN
%token T_DEFAULT
+%token T_DEFCONFIG_LIST
%token T_DEF_BOOL
%token T_DEF_TRISTATE
%token T_HEX
%token T_INT
+%token T_MODULES
%token T_OPEN_PAREN
+%token T_OPTION
%token T_STRING
%token T_TRISTATE
%token T_EOL
@@ -97,7 +100,7 @@ static struct menu *current_menu, *current_entry;
%type <expr> if_expr
%type <id> end
%type <menu> if_entry menu_entry choice_entry
-%type <string> symbol_option_arg word_opt assign_val
+%type <string> word_opt assign_val
%destructor {
fprintf(stderr, "%s:%d: missing end statement for this entry\n",
@@ -172,7 +175,6 @@ menuconfig_stmt: menuconfig_entry_start config_option_list
config_option_list:
/* empty */
| config_option_list config_option
- | config_option_list symbol_option
| config_option_list depends
| config_option_list help
;
@@ -219,27 +221,20 @@ config_option: T_RANGE symbol symbol if_expr T_EOL
printd(DEBUG_PARSE, "%s:%d:range\n", zconf_curname(), zconf_lineno());
};
-symbol_option: T_OPTION symbol_option_list T_EOL
-;
+config_option: T_OPTION T_MODULES T_EOL
+{
+ menu_add_option_modules();
+};
-symbol_option_list:
- /* empty */
- | symbol_option_list T_WORD symbol_option_arg
+config_option: T_OPTION T_DEFCONFIG_LIST T_EOL
{
- const struct kconf_id *id = kconf_id_lookup($2, strlen($2));
- if (id && id->flags & TF_OPTION) {
- menu_add_option(id->token, $3);
- free($3);
- }
- else
- zconfprint("warning: ignoring unknown option %s", $2);
- free($2);
+ menu_add_option_defconfig_list();
};
-symbol_option_arg:
- /* empty */ { $$ = NULL; }
- | T_EQUAL prompt { $$ = $2; }
-;
+config_option: T_OPTION T_ALLNOCONFIG_Y T_EOL
+{
+ menu_add_option_allnoconfig_y();
+};
/* choice entry */